Certificate Information

Subject
C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=int.whiteboard.microsoft.com
Issuer
C=US, O=Microsoft Corporation, CN=Microsoft TLS G2 RSA CA OCSP 04
Valid From
August 28, 2026
Valid Until
February 24, 2027 144 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
B9:D9:FE:A8:08:B3:D1:F4:84:8B:30:F8:30:68:74:14:39:76:01:3C:84:EF:02:3B:92:CF:34:E6:B2:9F:23:EE
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports